core

#### Shank / Optical Vector I, J, K

(This item pertains to the Edit Probe Data dialog box. You can open this dialog box with the Edit button on the Probe Utilities dialog box, accessible through Insert | Hardware Definition | Probe.)

These values describe the direction of the probe tip shank if you're using a probe tip. This vector goes from the center of the probe tip towards the Z rail. If you're using an optical probe, these values describe the direction of the optical device.